<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="课程名称" prop="subjects">
        <el-input
          v-model="queryParams.subjects"
          placeholder="请输入课程名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>

      <el-form-item label="开始时间" prop="startTime">
        <el-date-picker clearable
                        v-model="queryParams.startTime"
                        type="date"
                        value-format="yyyy-MM-dd"
                        placeholder="请选择开始时间"
        >
        </el-date-picker>
      </el-form-item>
      <el-form-item label="结束时间" prop="endTime">
        <el-date-picker clearable
                        v-model="queryParams.endTime"
                        type="date"
                        value-format="yyyy-MM-dd"
                        placeholder="请选择结束时间"
        >
        </el-date-picker>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['edu:subjects:add']"
        >新增
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['edu:subjects:edit']"
        >修改
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['edu:subjects:remove']"
        >删除
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['edu:subjects:export']"
        >导出
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="subjectsList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"/>
      <el-table-column label="课程名称" align="center" prop="subjects"/>
      <el-table-column label="课程价格" align="center" prop="subjectPrices"/>
<!--      <el-table-column label="课程单价" align="center" prop="subjectUnitPrices"/>-->
      <el-table-column label="课时" align="center" prop="classNum"/>
      <el-table-column label="课程类型" align="center" prop="subjectType">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_subject_type" :value="scope.row.subjectType"/>
        </template>
      </el-table-column>
      <el-table-column label="开始时间" align="center" prop="startTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.startTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="结束时间" align="center" prop="endTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.endTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="状态" align="center" prop="subjectStatus">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_subject_status" :value="scope.row.subjectStatus"/>
        </template>
      </el-table-column>
      <el-table-column label="所属机构名称" align="center" prop="tenantName"/>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['edu:subjects:edit']"
          >修改
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['edu:subjects:remove']"
          >删除
          </el-button>

          <el-button
            size="mini"
            type="text" v-if="scope.row.subjectStatus == '0'"
            icon="el-icon-delete"
            @click="updateStatus(scope.row,'1')"
            v-hasPermi="['edu:subjects:remove']"
          >上架
          </el-button>

          <el-button
            size="mini"
            type="text" v-if="scope.row.subjectStatus == '1'"
            icon="el-icon-delete"
            @click="updateStatus(scope.row,'0')"
            v-hasPermi="['edu:subjects:remove']"
          >下架
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改课程对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="1000px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-col :span="12">
            <el-form-item label="课程名称" prop="subjects">
              <el-input v-model="form.subjects" placeholder="请输入课程名称"/>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="课程类型" prop="subjectType">
              <el-select v-model="form.subjectType" placeholder="请选择课程类型" style="width: 100%">
                <el-option v-for="dict in dict.type.sys_subject_type" :key="dict.value" :label="dict.label" :value="dict.value"></el-option>
              </el-select>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="12">
            <el-form-item label="课程价格" prop="subjectPrices">
              <el-input-number v-model="form.subjectPrices" style="width: 100%" placeholder="请输入课程价格"/>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="课时" prop="classNum">
              <el-input-number v-model="form.classNum" style="width: 100%" placeholder="请输入课时"/>
            </el-form-item>
          </el-col>
        </el-row>
<!--        <el-row>-->
<!--          <el-col :span="12">-->
<!--            <el-form-item label="课程单价" prop="subjectUnitPrices">-->
<!--              <el-input-number v-model="form.subjectUnitPrices" style="width: 100%" placeholder="请输入课程单价"/>-->
<!--            </el-form-item>-->
<!--          </el-col>-->
<!--        </el-row>-->
        <el-row>
          <el-col :span="12">
            <el-form-item label="开始时间" prop="startTime">
              <el-date-picker clearable style="width: 100%"
                              v-model="form.startTime"
                              type="date"
                              value-format="yyyy-MM-dd"
                              placeholder="请选择开始时间"
              >
              </el-date-picker>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="结束时间" prop="startTime">
              <el-date-picker clearable style="width: 100%"
                              v-model="form.endTime"
                              type="date"
                              value-format="yyyy-MM-dd"
                              placeholder="请选择开始时间"
              >
              </el-date-picker>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="12">
            <el-form-item label="状态">
              <el-radio-group v-model="form.subjectStatus">
                <el-radio
                  v-for="dict in dict.type.sys_subject_status"
                  :key="dict.value"
                  :label="dict.value"
                >{{ dict.label }}
                </el-radio>
              </el-radio-group>
            </el-form-item>

          </el-col>
        </el-row>
        <el-row>
          <el-col :span="24">
            <el-form-item label="备注" prop="remark">
              <el-input v-model="form.remark" type="textarea" placeholder="请输入内容"/>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listSubjects, getSubjects, delSubjects, addSubjects, updateSubjects } from '@/api/edu/subjects'
import { listUser } from '@/api/system/user'

export default {
  name: 'Subjects',
  dicts: ['sys_weekDay', 'sys_subject_status', 'sys_subject_type'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 课程表格数据
      subjectsList: [],
      //教师数据
      teacherOptions: [],
      teacherMap: null,
      // 弹出层标题
      title: '',
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        subjects: null,
        subjectPrices: null,
        classNum: null,
        startTime: null,
        endTime: null,
        subjectStatus: null
      },
      // 表单参数
      form: {
        teacherId: null
      },
      // 表单校验
      rules: {
        subjects: [
          { required: true, message: '课程名称不能为空', trigger: 'blur' }
        ],
        subjectPrices: [
          { required: true, message: '课程价格不能为空', trigger: 'blur' }
        ],
        subjectUnitPrices: [
          { required: true, message: '课程单价不能为空', trigger: 'blur' }
        ],
        classNum: [
          { required: true, message: '课时不能为空', trigger: 'blur' }
        ]
      }
    }
  },
  created() {
    this.getList()
    this.getTeacherList()
  },
  methods: {
    getTeacherList() {
      listUser().then(response => {
        this.teacherOptions = response.rows
      })
    },
    /** 查询课程列表 */
    getList() {
      this.loading = true
      listSubjects(this.queryParams).then(response => {
        this.subjectsList = response.rows
        this.total = response.total
        this.loading = false
      })
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        subjects: null,
        subjectPrices: null,
        subjectUnitPrices: null,
        subjectType: null,
        classNum: null,
        startTime: null,
        endTime: null,
        remark: null,
        subjectStatus: '0',
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null
      }
      this.resetForm('form')
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm('queryForm')
      this.handleQuery()
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset()
      this.open = true
      this.title = '添加课程'
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      const id = row.id || this.ids
      getSubjects(id).then(response => {
        this.form = response.data

        this.open = true
        this.title = '修改课程'
      })
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs['form'].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateSubjects(this.form).then(response => {
              this.$modal.msgSuccess('修改成功')
              this.open = false
              this.getList()
            })
          } else {
            addSubjects(this.form).then(response => {
              this.$modal.msgSuccess('新增成功')
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    updateStatus(row,status){
      row.subjectStatus = status
      updateSubjects(row).then(response => {
        this.$modal.msgSuccess('修改成功')
        this.getList()
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids
      this.$modal.confirm('是否确认删除课程编号为"' + ids + '"的数据项？').then(function() {
        return delSubjects(ids)
      }).then(() => {
        this.getList()
        this.$modal.msgSuccess('删除成功')
      }).catch(() => {
      })
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('edu/subjects/export', {
        ...this.queryParams
      }, `subjects_${new Date().getTime()}.xlsx`)
    }
  }
}
</script>
